Conclusion The risk of anesthesia in TOF infants is high.Protection of lung and blood should be strengthened.The management should focus on d...

• 结论重症婴幼儿法乐四联症手术麻醉危险性高,麻醉管理重点是术中加强血液保护、肺保护,转流前尽可能减少右向左分流及转流后减少低心排综合征发生。